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CIMMYT/IITA 1991 Annual report
(CIMMYT; IITA, 1992)
Maize is one of the most important cereal crops in tropical Africa. In Africa, diets are based primarily on coarse grains (maize, millet, and sorghum) or roots and tubers (cassava, yams and sweet potatoes). Per capita ...
Rab: Cost on environment, economy and society
Rab is a traditional practice of raising rice nursery in which nursery is established by burning naturally available biomass such as branches and leaves of trees, cow dung, dry grass and crop residues.